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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “immunization”

Where the money went

1.0×
The Leona M and Harry B Helmsley → Rambam Health Corporation: $2.1M across 2 grants, latest 2023Illinois Chapter of American Academy of Pediatrics → Illinois Academy of Family Physicians: $1.5M across 3 grants, latest 2023Alzheimer's Disease Research Foundation → Massachusetts General Hospital: $1.0M across 5 grants, latest 2025Doris Duke Charitable Foundation Inc → Icahn School of Medicine at Mount Sinai: $990K across 7 grants, latest 2024Kenneth Rainin Foundation → Fred Hutchinson Cancer Research Center: $550K across 4 grants, latest 2024Association of State and Territorial → Association of Immunization Managers: $531K across 3 grants, latest 2023American Academy of Pediatrics → Arizona Chapter - Aap: $442K across 2 grants, latest 2023Direct Relief → The Night Ministry: $300K across 1 grant, latest 2021American Academy of Pediatrics → Emergency Health Services Federations Inc: $274K across 2 grants, latest 2024Pennsylvania Immunization Coalition → Penn State Health: $193K across 2 grants, latest 2024American Academy of Pediatrics-Vt Chapter → Primary Care Health Partners: $128K across 2 grants, latest 2024The Roundhouse Foundation → Winding Waters Medical Clinic: $80K across 1 grant, latest 2024The Leona M and Harry B Helmsley → University of Florida: $2.1M across 3 grants, latest 2024Illinois Chapter of American Academy of Pediatrics → University of Chicago: $720K across 3 grants, latest 2023Alzheimer's Disease Research Foundation → Washington University: $690K across 2 grants, latest 2023Doris Duke Charitable Foundation Inc → Washington University: $660K across 3 grants, latest 2024Association of State and Territorial → West Virginia Health Information Network Inc: $509K across 2 grants, latest 2022Kenneth Rainin Foundation → Harvard University: $425K across 4 grants, latest 2023American Academy of Pediatrics → Florida Chapter - Aap: $322K across 2 grants, latest 2023Direct Relief → Universal Community Health Center: $250K across 1 grant, latest 2021American Academy of Pediatrics → The Wright Center Medical Group: $235K across 2 grants, latest 2024American Academy of Pediatrics-Vt Chapter → North Star Health: $84K across 2 grants, latest 2024The Roundhouse Foundation → Center for Human Development Inc: $55K across 1 grant, latest 2024Pennsylvania Immunization Coalition → Montgomery County Immunization Coalition: $40K across 2 grants, latest 2024The Leona M and Harry B Helmsley → Uppsala University Hospital: $1.1M across 1 grant, latest 2024Doris Duke Charitable Foundation Inc → Columbia University in the City of New York Trustees of: $413K across 2 grants, latest 2023Association of State and Territorial → Department of Vermont Health Access: $391K across 2 grants, latest 2023Kenneth Rainin Foundation → Mass General Brigham Incorporated: $325K across 3 grants, latest 2024American Academy of Pediatrics → Harrisburg Area YMCA - YMCA Center for Healthy Living: $225K across 2 grants, latest 2024Alzheimer's Disease Research Foundation → Brigham and Women's: $201K across 1 grant, latest 2022American Academy of Pediatrics → Washington Chapter - Aap: $145K across 1 grant, latest 2023Direct Relief → Pediatric and Family Medical Center: $100K across 1 grant, latest 2021American Academy of Pediatrics-Vt Chapter → Lamoille Health Partners: $70K across 2 grants, latest 2024Illinois Chapter of American Academy of Pediatrics → Alliance Chicago: $25K across 1 grant, latest 2024Pennsylvania Immunization Coalition → Erie County Immunization Coalition: $20K across 2 grants, latest 2024The Roundhouse Foundation → Lake Health District: $13K across 1 grant, latest 2024The Leona M and Harry B Helmsley → University of Pittsburgh: $1.0M across 4 grants, latest 2024The Leona M and Harry B Helmsley → The University of Oxford: $779K across 2 grants, latest 2021The Leona M and Harry B Helmsley → St Vincent's Institute of Medical Research: $642K across 2 grants, latest 2024The Leona M and Harry B Helmsley → The University of Texas Southwestern Medical Center: $550K across 2 grants, latest 2023The Leona M and Harry B Helmsley → The City of Hope: $534K across 2 grants, latest 2024The Leona M and Harry B Helmsley → Children's Hospital of Philadelphia: $457K across 2 grants, latest 2024Doris Duke Charitable Foundation Inc → Dana-Farber Cancer Institute: $385K across 4 grants, latest 2023Kenneth Rainin Foundation → The Children's Hospital Corporation: $325K across 3 grants, latest 2024The Leona M and Harry B Helmsley → Tampere University Foundation Sr: $305K across 1 grant, latest 2021Doris Duke Charitable Foundation Inc → Massachusetts General Hospital Xxx-Xx-Xxxx: $303K across 3 grants, latest 2023Doris Duke Charitable Foundation Inc → University of California San Francisco: $289K across 3 grants, latest 2023Doris Duke Charitable Foundation Inc → Trustees of Columbia University in the City of New York: $289K across 2 grants, latest 2024Association of State and Territorial → Civitas Networks for Health: $281K across 2 grants, latest 2023Association of State and Territorial → Colorado Community Managed Care Network: $253K across 1 grant, latest 2022Association of State and Territorial → American Immunization Registry Association: $250K across 1 grant, latest 2021Kenneth Rainin Foundation → The University of Texas at Austin: $250K across 1 grant, latest 2024Kenneth Rainin Foundation → University of California San Francisco: $250K across 1 grant, latest 2024Association of State and Territorial → American Immunizatin Registry Association: $250K across 1 grant, latest 2022The Leona M and Harry B Helmsley → The Hospital for Sick Children: $249K across 1 grant, latest 2024The Leona M and Harry B Helmsley → Academisch Ziekenhuis Leiden: $230K across 1 grant, latest 2023American Academy of Pediatrics → Bucks County Health Improvement Partnership: $223K across 2 grants, latest 2024American Academy of Pediatrics → The Pennsylvania State University: $207K across 2 grants, latest 2024American Academy of Pediatrics → International Health Commission - Ame Church: $206K across 2 grants, latest 2024Alzheimer's Disease Research Foundation → Brigham and Women's Hospital: $201K across 1 grant, latest 2023Alzheimer's Disease Research Foundation → University of Massachusetts Chan Medical School: $201K across 1 grant, latest 2025American Academy of Pediatrics → Lancaster General Hospital: $198K across 2 grants, latest 2024Association of State and Territorial → Ohio Health Information Partnership: $192K across 1 grant, latest 2022American Academy of Pediatrics → Accion Comunal Latino Americana De Montgomery County: $181K across 2 grants, latest 2024The Leona M and Harry B Helmsley: $10M on this topic. Open the funder.The Leona M and Harry B Helms…$10MDoris Duke Charitable Foundation Inc: $3.3M on this topic. Open the funder.Doris Duke Charitable Foundat…$3.3MAssociation of State and Territorial: $2.7M on this topic. Open the funder.Association of State and Terr…$2.7MAlzheimer's Disease Research Foundation: $2.3M on this topic. Open the funder.Alzheimer's Disease Research…$2.3MIllinois Chapter of American Academy of Pediatrics: $2.2M on this topic. Open the funder.Illinois Chapter of American…$2.2MKenneth Rainin Foundation: $2.1M on this topic. Open the funder.Kenneth Rainin Foundation$2.1MAmerican Academy of Pediatrics: $1.7M on this topic. Open the funder.American Academy of Pediatrics$1.7MAmerican Academy of Pediatrics: $909K on this topic. Open the funder.American Academy of Pediatrics$909KDirect Relief: $650K on this topic. Open the funder.Direct Relief$650KAmerican Academy of Pediatrics-Vt Chapter: $281K on this topic. Open the funder.American Academy of Pediatric…$281KPennsylvania Immunization Coalition: $252K on this topic. Open the funder.Pennsylvania Immunization Coa…$252KThe Roundhouse Foundation: $148K on this topic. Open the funder.The Roundhouse Foundation$148KRambam Health Corporation: received $2.1M on this topicRambam Health Corporation$2.1MUniversity of Florida: received $2.1M on this topicUniversity of Florida$2.1MIllinois Academy of Family Physicians: received $1.5M on this topicIllinois Academy of Family Phys…$1.5MWashington University: received $1.4M on this topicWashington University$1.4MUppsala University Hospital: received $1.1M on this topicUppsala University Hospital$1.1MMassachusetts General Hospital: received $1.0M on this topicMassachusetts General Hospital$1.0MUniversity of Pittsburgh: received $1.0M on this topicUniversity of Pittsburgh$1.0MIcahn School of Medicine at Mount Sinai: received $990K on this topicIcahn School of Medicine at Mou…$990KThe University of Oxford: received $779K on this topicThe University of Oxford$779KUniversity of Chicago: received $720K on this topicUniversity of Chicago$720KSt Vincent's Institute of Medical Research: received $642K on this topicSt Vincent's Institute of Medic…$642KFred Hutchinson Cancer Research Center: received $550K on this topicFred Hutchinson Cancer Research…$550KThe University of Texas Southwestern Medical Center: received $550K on this topicThe University of Texas Southwe…$550KUniversity of California San Francisco: received $539K on this topicUniversity of California San Fr…$539KThe City of Hope: received $534K on this topicThe City of Hope$534KAssociation of Immunization Managers: received $531K on this topicAssociation of Immunization Man…$531KWest Virginia Health Information Network Inc: received $509K on this topicWest Virginia Health Informatio…$509KChildren's Hospital of Philadelphia: received $457K on this topicChildren's Hospital of Philadel…$457KArizona Chapter - Aap: received $442K on this topicArizona Chapter - Aap$442KHarvard University: received $425K on this topicHarvard University$425KColumbia University in the City of New York Trustees of: received $413K on this topicColumbia University in the City…$413KDepartment of Vermont Health Access: received $391K on this topicDepartment of Vermont Health Ac…$391KDana-Farber Cancer Institute: received $385K on this topicDana-Farber Cancer Institute$385KMass General Brigham Incorporated: received $325K on this topicMass General Brigham Incorporat…$325KThe Children's Hospital Corporation: received $325K on this topicThe Children's Hospital Corpora…$325KFlorida Chapter - Aap: received $322K on this topicFlorida Chapter - Aap$322KTampere University Foundation Sr: received $305K on this topicTampere University Foundation Sr$305KMassachusetts General Hospital Xxx-Xx-Xxxx: received $303K on this topicMassachusetts General Hospital…$303KThe Night Ministry: received $300K on this topicThe Night Ministry$300KTrustees of Columbia University in the City of New York: received $289K on this topicTrustees of Columbia University…$289KCivitas Networks for Health: received $281K on this topicCivitas Networks for Health$281KEmergency Health Services Federations Inc: received $274K on this topicEmergency Health Services Feder…$274KColorado Community Managed Care Network: received $253K on this topicColorado Community Managed Care…$253KAmerican Immunization Registry Association: received $250K on this topicAmerican Immunization Registry…$250KUniversal Community Health Center: received $250K on this topicUniversal Community Health Cent…$250KThe University of Texas at Austin: received $250K on this topicThe University of Texas at Aust…$250KAmerican Immunizatin Registry Association: received $250K on this topicAmerican Immunizatin Registry A…$250KThe Hospital for Sick Children: received $249K on this topicThe Hospital for Sick Children$249KThe Wright Center Medical Group: received $235K on this topicThe Wright Center Medical Group$235KAcademisch Ziekenhuis Leiden: received $230K on this topicAcademisch Ziekenhuis Leiden$230KHarrisburg Area YMCA - YMCA Center for Healthy Living: received $225K on this topicHarrisburg Area YMCA - YMCA Cen…$225KBucks County Health Improvement Partnership: received $223K on this topicBucks County Health Improvement…$223KThe Pennsylvania State University: received $207K on this topicThe Pennsylvania State Universi…$207KInternational Health Commission - Ame Church: received $206K on this topicInternational Health Commission…$206KBrigham and Women's: received $201K on this topicBrigham and Women's$201KBrigham and Women's Hospital: received $201K on this topicBrigham and Women's Hospital$201KUniversity of Massachusetts Chan Medical School: received $201K on this topicUniversity of Massachusetts Cha…$201KLancaster General Hospital: received $198K on this topicLancaster General Hospital$198KPenn State Health: received $193K on this topicPenn State Health$193KOhio Health Information Partnership: received $192K on this topicOhio Health Information Partner…$192KAccion Comunal Latino Americana De Montgomery County: received $181K on this topicAccion Comunal Latino Americana…$181KWashington Chapter - Aap: received $145K on this topicWashington Chapter - Aap$145KPrimary Care Health Partners: received $128K on this topicPrimary Care Health Partners$128KPediatric and Family Medical Center: received $100K on this topicPediatric and Family Medical Ce…$100KNorth Star Health: received $84K on this topicNorth Star Health$84KWinding Waters Medical Clinic: received $80K on this topicWinding Waters Medical Clinic$80KLamoille Health Partners: received $70K on this topicLamoille Health Partners$70KCenter for Human Development Inc: received $55K on this topicCenter for Human Development Inc$55KMontgomery County Immunization Coalition: received $40K on this topicMontgomery County Immunization…$40KAlliance Chicago: received $25K on this topicAlliance Chicago$25KErie County Immunization Coalition: received $20K on this topicErie County Immunization Coalit…$20KLake Health District: received $13K on this topicLake Health District$13K
12 funders, 62 recipients, grants matching “immunization” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →